| APA | PNAL. (2012, February 17). In Acronym Geek. Retrieved 07:06, February 17, 2012, from http://www.acronymgeek.com/PNAL |
| MLA | "PNAL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PNAL>. |
| MHRA | 'PNAL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PNAL> [accessed 17 February 2012] |
| Chicago | "PNAL", http://www.acronymgeek.com/PNAL (accessed February 17, 2012). |
| CBE/CSE | PNAL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PNAL. |
| Bluebook | PNAL, http://www.acronymgeek.com/PNAL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PNAL, http://www.acronymgeek.com/PNAL (optional description here) (as of Feb. 17, 2012, 07:06). |
| AMA | PNAL. Acronym Geek. February 17, 2012, 07:06. Available at: http://www.acronymgeek.com/PNAL. Accessed February 17, 2012, 07:06. |